Freecad-realthunder

Trying to install freecad-realthunder in Ubuntu 22.04 LTS and get the following error:

sudo snap install freecad-realthunder --edge [sudo] password for dlw: error: cannot perform the following tasks:

  • Ensure prerequisites for “freecad-realthunder” are available (cannot install prerequisite “kde-frameworks-5-96-qt-5-15-5-core20”: no snap revision available as specified)

kde is not on my system. Do i need it or what needs to be done? Any help appreciated, dlw